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  • NMR studies of phakellins and isophakellins
    [作者:Meyer, SW; Kock, M,期刊:Journal of natural products, 页码:1524-1529 , 文章类型: Article,,卷期:2008年71-9]
  • Phakellins 3 and 4 and isophakellins 5 and 6 are tetracyclic pyrrole-imidazole alkaloids. Their structure elucidation is herein reviewed using state-of-the-art NMR methods. Special emphasis has been given to the applicat...
  • Cycloartane triterpenoids from Astragalus bicuspis
    [作者:Choudhary, MI; Jan, S; Abbaskhan, A; Musharraf, SG; Samreen; Sattar, SA; Atta-ur-Rahman,期刊:Journal of natural products, 页码:1557-1560 , 文章类型: Article,,卷期:2008年71-9]
  • Three new cycloartane glycosides have been isolated from Astragalus bicuspis. They were identified as 6 alpha-hydroxy3-O-beta-xylopyranosyloxy-24,25,26,27-tetranor-9,19-cyclolanosta-16,23-lactone (1), 6 alpha-hydroxy-23-...